56o 



INDEX 



Pedipalpi (appendages), 263, 303, 309, 

 321, 422, 426, 433, 440, 458 



Pedunculata, 84 



Pelagic Crustacea, marine, 202 ; lacus- 

 trine, 207 



Pelops, 467 



Peltiidae, 63 



Peltogaster, 95 ; structure, 95 ; males, 99 ; 

 castration caused by, 100 ; P. curvatus, 

 castration caused by, 100 ; P. stilcatus, 95 



Peltura, 2Jft 



Peneidae, 162 



Peneidea, 158, 162 ; metamorphosis, 159 



Penella sagitta, 74 



Peneics, 158, 162 ; metamorphosis, 159, 

 159, 160, 161 



Pentanymphon, 504, 537 



Pentaspidae, 87 



Pentastoma, 488 n. ; P. denticidatum, 

 489, 494 ; P. emarginatum, 489 ; P. 

 serratum, 489 



Pentastomida, 258, 488 f. ; structure, 

 489 ; habitat, 488 ; life-history, 488, 

 493 ; hosts of, 496, 497 



Pephredo hirsuta, 535, 541 



Peracanlha, 43, 53 ; alimentary canal, 43 



Peracarida, 114, 118 



Pereiopod, denned, 110 ; reduced hind, 

 in Galatheidea, 168 ; in Hippidea, 

 170 ; in Paguridea, 172 ; in Drorniacea, 

 184 ; in Oxystomata, 185 



Periegops hirsutus, 393 



Peroderma cylindricum, 75 



Petrarca bathyactidis, 93 



Pettalus, 448 



Pezomachus yracilis, parasitic in cocoons 

 of Spiders, 367 



Phacopidae, 249 



Phacopini, 243 



PMcops, 223, 232, 235, 249 ; P. latifrons, 

 227 ; P. sternbergi, 248 



Phaeocedus braccatus, 397 



Phagocytes, in Danalia, 132 



Phalangidea, 258, 440 f. ; habits, 441 ; ex- 

 ternal structure, 442 ; internal structure, 

 444 ; nervous system, 446 ; classifica- 

 tion, 447 ; British species, 453 



Phalaugiidae, 44& 



Phalangiinae, 450 



Phalangium, 444, 450, 526 ; mouth-parts, 

 443 ; P. balaenarum, 502 ; P. cornutum, 

 450 ; P. litlorale, 501 ; P. opilio, 445. 

 446, 450, 526 



Phalangodes, 449 ', P. armata, 449 ; P. 

 terricola, 449 



Phalangodidae, 44$ 



PJianodemus, 535 



Phidippus, 421 ; P. morsitans, 365, 421 



Philichthyidae, 73 



Philichthys, 73 ; P. xiphiae, 73 n. 



Phillipsia, 251 ; P. gemmulifera, 250 



Philodrominae, J^IB 



Philodromus, 413 ; P. aureolus, 413 ; P. 



margaritatus, 413 

 Philoscia muscorum, 129 

 Pholcidae, 336, 401 

 Pholcus, 320, 401 ; P- phalangioides, 



401 



PhoToncidia, 404 ', P- 7-aculeata, 318 

 Phoroncidiinae, 317, 404 

 Phosphorescence, of Copepoda, 59 ; rela- 

 tion to eyes in deep-sea Crustacea, 150, 



151 

 Phosphorescent organs, of Euphausiidae, 



145 ; of Stylocheiron mastigophorum, 



151 



Phoxichilidae, 539 

 Phoxichilidiidae, 538 

 Phoxichilidium, 506, 512, 520, 521 n., 



523, 525, 538 ; P. angulatum, 520 ; P. 



exiguum, 541 ; P.femoratum, 508, 524, 



538, 540 ; P. globosum, 540 ; P. i/wllis- 

 simum, 517 ; P. olivaceum, 540 



Phoxichilus, 505, 512, 539 P. australis, 



539, 540 ; P. bohmii, 539 ; P. chari/b- 

 iini'Ufi, 514, 515, 539 ; P. laevis, 537, 

 539, 541 ; P. meridionalis, 539 ; P. 

 mollis, 539 ; P. proboscideus, 532 ; P. 

 procerus, 539 ; P. spinosus, 505, 508, 

 510, 537, 539, 541, 542 ; P. i-utgaris, 

 539 



Phreatoicidae, 136 ; distribution, 211, 



217 



Phreatoicidea, 136 



Phreatoicopsis, 136 ; distribution, 211 

 Phreatoicus, 136; distribution, 210, 211, 



217 ; P. assimilis, habitat, 210 ; P. 



typicus, habitat, 210 

 Phronima, 140 ; P. sedentaria, 140 

 Phrynarachne, 414 \ P- decipiens, 374, 



414 



Phrynichinae, 313 

 Phrynichus, 313 

 Phrynidae, 309, 310, 312 

 P/n-i/nopsis, 313 

 Phrynus, 312 

 Phryxidae, 130 

 Phyllocarida, 111, 242 

 Phyllocoptes, .'/<!'> 

 Phyllopoda, 19 f. ; appendages, 24 f. ; 



alimentary canal, 29 ; vascular system, 



29 ; nervous system, 30 ; reproductive 



organs, 31 ; habitat, 32 ; genera, 35 

 Phyllosoma, larva of Palinurus, 166 

 Phytoptidae, 4@4 



Phytoptus, 464 n., 495 ( = Eriophyes, q.v.) 

 Pickard-Cambridge, F., 352 

 Pickard-Cam bridge, 0., 318, 321 n., 323 n., 



359 n., 372, 374, 380, 385, 401 n., 



436, 438, 450, 451, 452 

 Pillai, 375 

 Pilumnus, 191 

 Pinnotheres pisum, 195 

 Piuuotheridae, 195 



